CN210804833U - Experimental device for simulating mine explosion, explosion suppression and back wind - Google Patents
Experimental device for simulating mine explosion, explosion suppression and back wind Download PDFInfo
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- CN210804833U CN210804833U CN201921405970.4U CN201921405970U CN210804833U CN 210804833 U CN210804833 U CN 210804833U CN 201921405970 U CN201921405970 U CN 201921405970U CN 210804833 U CN210804833 U CN 210804833U
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Abstract
The utility model discloses an experimental device for simulating mine explosion, flame-proof and wind-back, which belongs to the technical field of coal mine safety engineering, and comprises an explosion simulating device, a simulation coal bed, a flame-proof simulating device and a first tunnel which are arranged on a first experimental template, and a wind-back simulating device which is arranged on a second experimental template, wherein the wind-back simulating device comprises an air return shaft, and the first tunnel is communicated with the air return shaft; the explosion simulation device is arranged on the simulated coal seam mining surface and comprises an air-entrapping component, dust and an open fire component; the explosion-proof simulation device is distributed in the first roadway and comprises a water curtain component and a borax shed; the counter-wind simulation device comprises a return air shaft, a counter-wind bypass and a fan room, wherein the fan room is arranged on the counter-wind bypass, and the return air shaft is communicated with the counter-wind bypass. The experimental device can simulate the explosion suppression measures of a mine explosion and explosion suppression simulation device and the counter-wind measures of a counter-wind simulation device, and promotes the research on the explosion suppression, the explosion suppression and the counter-wind of the mine.
Description
Technical Field
The utility model relates to a coal mine safety engineering technical field especially relates to an experimental apparatus of simulation mine explosion, flame proof and anti-wind.
Background
Gas explosion and dust explosion are common disaster accidents in coal mines, and once the accidents happen, serious consequences can be caused, so that huge losses are brought to the life and property safety of the nation and people. The control technology of coal mine gas and coal dust explosion is divided into two aspects of explosion occurrence prevention technology and explosion propagation limiting technology: the method for preventing explosion mainly adopts measures to control gas accumulation, coal dust generation or flying and fire source generation; the method for limiting the propagation of gas coal dust explosion mainly adopts measures to limit the gas coal dust explosion in a certain area, reduces the loss caused by explosion as much as possible, and mainly adopts a passive explosion-proof technology and an automatic explosion-proof technology. The gas and coal dust blocking explosion of domestic coal mines is firstly realized by adopting a rock powder spreading method and arranging a common borax shed. Once gas explosion or dust explosion occurs, the mine needs to complete the backwind within 10 minutes to reduce the casualty and prevent the expansion of accidents.
The existing mining engineering teaching experiment devices are many, but mainly show experiment devices of roadway models and mining methods, and no experiment device for showing and demonstrating explosion demonstration, explosion suppression measures and the whole disaster occurrence and prevention and control process of wind back exists. The time that the students of mining engineering can get into the mine and study on the spot during study is too little, and teaching experimental apparatus can effectively help teacher's teaching and students study and understand relevant knowledge, therefore it has the significance to develop an experimental apparatus of simulation mine flame proof and anti-wind analogue means.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome mine experimental apparatus among the prior art can't carry out not enough of complete explosion, flame proof and anti-wind demonstration, provide an experimental apparatus of simulation mine explosion, flame proof and anti-wind for the reason that the mine detonation wave produced is demonstrated and researched in the teaching.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a simulation mine explosion, flame proof and experimental apparatus of anti-wind, this experimental apparatus includes first experiment template and second experiment template, is equipped with explosion analogue means, simulation coal seam, at least one flame proof analogue means and first tunnel on the first experiment template, is equipped with anti-wind analogue means on the second experiment template, and anti-wind analogue means includes the return air shaft, and first tunnel in the first experiment template communicates with the return air shaft of second experiment template.
Specifically, explosion simulation device locates simulation coal seam face of adopting, and explosion simulation device includes air entrainment part, dust and naked light part, and the dust is located in the dust box, and air entrainment part gas output end is connected to the dust box, and dust box first distance department is equipped with the naked light part.
Specifically, flame proof analogue means distributes in first tunnel, and flame proof analogue means includes water curtain part and borax canopy, and the water curtain part includes lamp area, first support, and on first support was located in the lamp area, the borax canopy was including the borax bag and the second support that are equipped with the rock dust, and the borax bag is fixed in on the second support.
Specifically, the counter-wind simulation device comprises a return air shaft, a counter-wind bypass and a fan room, wherein the fan room is arranged on the counter-wind bypass, and the return air shaft is communicated with the counter-wind bypass.
Specifically, the water curtain component further comprises a baffle plate and a connecting piece, and the connecting piece is connected with the fixed baffle plate and the first support. Specifically, the counter-wind simulation device further comprises a first air door, a second air door, a third air door and a fourth air door, the counter-wind bypass is communicated with the first roadway through a return air shaft, the counter-wind bypass is in a shape like a Chinese character kou, and the first air door, the second air door, the fan room, the fourth air door and the third air door are sequentially arranged on the counter-wind bypass.
Specifically, the fan house includes a power device and a fan, the power device providing power for rotation of the fan.
Specifically, the power plant includes an electric motor.
Specifically, the counter-wind bypass is provided with a plurality of openings, the air door is a drawable part, and the openings are matched with the drawable part. Wherein, the drawable part includes but is not limited to an inverted "T" shape, an "I" shape, etc. The drawable part is in an inverted T shape and comprises a first drawable part and a second drawable part, the first drawable part is arranged inside the counter wind bypass and is parallel to the counter wind bypass, and the second drawable part is partially arranged inside the counter wind bypass and is vertical to the counter wind bypass; the length of the first drawable part is larger than the length of an opening of the counter-wind bypass, so that the drawable part is prevented from being separated from the counter-wind bypass, the length of the second drawable part is larger than the length of the cross section of the counter-wind bypass, and the second drawable part is adaptive to the opening of the counter-wind bypass, so that the wind in the counter-wind bypass is prevented from leaking.
Specifically, the air return shaft is provided with an explosion-proof well cover for pressure relief of explosion shock waves.
Specifically, the explosion simulation device is arranged on a simulated coal seam in a mine and comprises an air-entrapping component, dust and an open fire component, wherein the dust is arranged in a dust box, the air-entrapping component is connected with the dust box through an air output end, and the open fire component is arranged at a first distance of the dust box so as to simulate the explosion in the mine.
Specifically, the explosion simulation device further comprises a guide pipe, the gas inlet end of the guide pipe is connected with the gas-filling component, and the gas outlet end of the guide pipe is connected with the dust box.
Specifically, the explosion simulation device further comprises a testing component, and a position which is a second distance away from the radius of the dust box is provided with the testing component and used for testing whether the simulation explosion device successfully simulates the mine explosion.
Specifically, the experimental device further comprises an air inlet ascending, the first roadway comprises a second roadway and an air return ascending, one end of the air inlet ascending is communicated with the air inlet shaft, the other end of the air inlet ascending is communicated with the air return ascending through the second roadway, and the air return ascending is communicated with the air return shaft, so that fresh air flows into a mine and dirty air is discharged from the mine. The air inlet upward-going part, the second roadway, the air return upward-going part, the water inlet upward-going part, the air inlet shaft, the air return shaft and the counter-wind bypass are all hollow parts made of acrylic plates and comprise cuboids, cylinders and the like.
Specifically, the experimental device further comprises a hydraulic support, wherein the hydraulic support is arranged on the mining surface of the simulated coal seam and used for supporting the simulated coal seam or rock stratum and reserving a proper operation space for mining coal.
Compared with the prior art, the utility model discloses beneficial effect is:
this experimental apparatus simulates the explosion shock wave that the mine explosion produced through explosion analogue means, and this explosion shock wave reaches anti-wind analogue means through first tunnel and accomplishes the pressure release, and further, inside anti-wind analogue means introduced the mine with external fresh air current when the mine explosion, accomplished the anti-wind, prevented the further spread of the back fire behavior of explosion. And the counter-wind simulation device is connected with the air inlet mountain through the first roadway, so that sewage in the mine can be discharged. The explosion-proof simulation device in the experimental device forms a high-concentration rock powder area in a mine through the borax shed, further propagation of flame is restrained, generation of shock waves is prevented, the explosion range is controlled, and a water curtain component in the explosion-proof device can extinguish partial flame, so that propagation of flame is further restrained. The utility model discloses a true condition in whole experimental apparatus reduction mine that can be true to can simulate complete mine explosion, anti-wind and the flame proof condition, strengthen the understanding to the mine, further promoted the research of explosion-proof, flame proof and anti-wind of mine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
Fig. 1 is a schematic diagram of a first experimental template of embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a second experimental template of embodiment 1 of the present invention;
fig. 3 is a top view of the windward simulation apparatus according to embodiment 1 of the present invention;
fig. 4 is a front view of the windward simulation apparatus according to embodiment 1 of the present invention;
fig. 5 is a side view of the windward simulation apparatus according to embodiment 1 of the present invention;
fig. 6 is a schematic view of a water curtain device according to embodiment 1 of the present invention;
fig. 7 is a schematic view of a borax shed in embodiment 1 of the present invention;
fig. 8 is a schematic view of an explosion simulation apparatus according to embodiment 1 of the present invention.
In the figure: the device comprises a ground industrial square 1, a simulated coal seam 2, an air inlet ascending mountain 3, a hydraulic support 4, a goaf 5, a second roadway 6, an explosion simulation device 7, an air cylinder 7-1, a flour box 7-2, a candle 7-3, a plastic cover 7-4, a guide pipe 7-5, an air return ascending mountain 8, an explosion-proof well cover 9, a counter-wind simulation device 10, an air return well 10-1, a first air door 10-2, a second air door 10-3, a fan room 10-4, a third air door 10-5, a fourth air door 10-6, a counter-wind bypass 10-7, an explosion-proof simulation device 11, a first support 11-11, a light belt 11-12, a baffle plate 11-13, a connecting piece 11-14, a second support 11-21 and a borax bag 11-22
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1-2, in embodiment 1, an experimental apparatus for simulating mine explosion, explosion suppression, and wind back specifically includes a first experimental template and a second experimental template, the first experimental template is provided with an explosion simulation apparatus 7, a simulated coal seam 2, at least one explosion suppression simulation apparatus 11, and a first roadway, the second experimental template is provided with a wind back simulation apparatus 10, the wind back simulation apparatus 10 includes a return air shaft 10-1, and the first roadway in the first experimental template is communicated with the return air shaft 10-1 of the second experimental template.
Further, the explosion simulation device 7 is used for simulating mine explosion to generate explosion shock waves, after the explosion shock waves reach the explosion-proof simulation device 11 arranged in a roadway in the mine, the explosion-proof simulation device 11 performs explosion-proof action, and meanwhile the explosion shock waves reach the anti-wind simulation device 10 through the first roadway to complete anti-wind.
Furthermore, the experimental device also comprises an air inlet ascending 3, the first roadway comprises a second roadway 6 and an air return ascending 8, one end of the air inlet ascending 3 is communicated with the air inlet shaft, the other end of the air inlet ascending 3 is communicated with the air return ascending 8 through the second roadway 6, and the air return ascending 8 is communicated with the air return shaft 10-1, so that fresh air flows into the mine and dirty air is discharged from the mine. Wherein, fresh air flows through the air inlet shaft and the air inlet ascending 3 to enter the interior of the mine. The air return shaft 10-1 is provided with an explosion-proof well cover 9 for preventing the air return shaft 10-1 from being damaged by the excessive force of explosion shock waves when the mine is in an explosion accident, and the explosion shock waves are decompressed through the explosion-proof well cover 9. Furthermore, the explosion-proof well cover 9 on the return air shaft 10-1 can also ensure that fresh air flows enter the interior of the mine from the intake shaft under the condition of normal ventilation of the mine. More specifically, the air inlet upward-rising 3 and the air return upward-rising 8 are both inclined roadways, and the simulated coal seam 2 above the horizontal line can be collected through the upward-rising. The air inlet upward-going part 3, the second roadway 6, the air return upward-going part 8, the water inlet upward-going part, the air inlet shaft, the air return shaft 10-1 and the counter-wind bypass 10-7 are all hollow parts made of acrylic plates and comprise cuboids, cylinders and the like without limitation.
Further, as shown in fig. 3-5, the counter-wind simulation device 10 includes a return air shaft 10-1, a counter-wind bypass 10-7 and a fan room 10-4, the return air shaft 10-1 is communicated with the counter-wind bypass 10-7, the fan room 10-4 is arranged on the counter-wind bypass 10-7, dirty wind generated inside the mine reaches the fan room 10-4 through the first roadway, the return air shaft 10-1 and the counter-wind bypass 10-7, and then the dirty wind inside the mine is removed. When the mine is in an explosion accident, fresh air flows into the air inlet upward mountain 3 through the fan room 10-4, the reverse air bypass 10-7, the air return shaft 10-1, the air return upward mountain 8 and the second roadway 6 in sequence, and finally reaches the air inlet shaft to finish reverse air, so that further spread of fire caused by explosion is prevented. The fan room 10-4 comprises a power device and a fan, and the power output end of the power device is connected with the fan to provide power for the rotation of the fan. Wherein the power device includes but is not limited to a motor and the like. As an option, the fan is a centrifugal fan, dirty air in the mine can be smoothly discharged when the mine is normally ventilated, and when the mine has an explosion accident, external fresh air flow is introduced into the counter-air bypass 10-7, so that counter-air operation is completed.
Further, the counter-wind simulation device 10 further comprises a first air door 10-2, a second air door 10-3, a fan room 10-4, a third air door 10-5 and a fourth air door 10-6, a counter-wind bypass 10-7 is communicated with the first roadway through a return air shaft 10-1, the counter-wind bypass 10-7 is square, and the first air door 10-2, the second air door 10-3, the fourth air door 10-6 and the third air door 10-5 are sequentially arranged on the counter-wind bypass 10-7. When the mine is normally ventilated, the counter-wind simulation device 10 is used for discharging dirty wind in the mine, at the moment, the second air door 10-3 and the third air door 10-5 are closed, the first air door 10-2 and the fourth air door 10-6 are opened, the centrifugal fan works in a ventilation mode, and the dirty wind is discharged through the fourth air door 10-6. Wherein, specifically, a plurality of openings are arranged on the counter-wind bypass 10-7, the air door is a drawable part, and the openings are matched with the drawable part. Wherein, the drawable part includes but is not limited to an inverted "T" shape, an "I" shape, etc. The drawable part is in an inverted T shape and comprises a first drawable part and a second drawable part, the first drawable part is arranged inside the counter-wind bypass 10-7 and is parallel to the counter-wind bypass 10-7, and the second drawable part is partially arranged inside the counter-wind bypass 10-7 and is vertical to the counter-wind bypass 10-7; the length of the first drawable part is larger than the opening length of the counter-wind bypass 10-7, so that the drawable part can not be separated from the counter-wind bypass 10-7, the length of the second drawable part is larger than the cross section length of the counter-wind bypass 10-7, and the second drawable part is adapted to the opening of the counter-wind bypass 10-7, so that the wind in the counter-wind bypass 10-7 can not be leaked.
Furthermore, the explosion-proof simulation device 11 is dispersedly arranged in a mine roadway and comprises a water curtain component and a borax shed, and the water curtain component and the borax shed are about 8cm in length. The water curtain component comprises a lamp strip 11-12, a first support 11-11, a baffle 11-13 and a connecting piece 11-14. In this embodiment, as shown in fig. 6, the first frame 11-11 is in an inverted u shape, the portion of the first frame 11-11 perpendicular to the bottom surface of the first template is provided with light strips 11-12, the connecting members 11-14 are in an L shape reversely rotated by 90 °, the connecting members 11-14 are used to connect the fixing baffle 11-13 with the first frame 11-11, and the baffle 11-13 is provided on the connecting members 11-14 beyond the bottom surface of the first template. As shown in figure 7, the borax shed comprises borax bags 11-22 filled with rock powder, a second bracket 11-21 and a fixing piece, wherein the borax bags 11-22 are fixed on the second bracket 11-21 through the fixing piece. The borax shed devices in the embodiment are four in number, and are represented as X-axis symmetry by taking a coal face as a reference, the transverse distance of the two borax shed devices is about 25cm, and the longitudinal distance of the two borax shed devices is about 30 cm. When explosion occurs in a mine, explosion shock waves reach a water curtain component and a borax shed in an explosion-proof simulation device 11, the explosion shock waves turn over the borax shed to scatter rock powder, a high-concentration rock powder area is formed in a roadway in the mine, a baffle plate 11-13 in the water curtain component is impacted by the explosion shock waves firstly, a first support 11-11 is driven through a connecting piece 11-14, and then a lamp strip 11-12 in the water curtain component is lighted to show that water spray of the water curtain component extinguishes explosion flames which are lagged behind the propagation of the explosion shock waves, on one hand, water resources are saved, the model is prevented from being damaged by excessive water, the rock powder area further prevents the explosion flames from propagating forwards, the generation of the shock waves is prevented, and the explosion range is controlled. As an option, the lamp strips 11-12 can be realized by LED lamps connected to an I/O interface of the singlechip, and the flow of fresh wind flow, dirty wind and explosion shock waves is displayed in a color change mode or a water lamp mode, so that more vivid and specific teaching is realized. It should be further noted that the bracket, the connecting members 11-14, the baffles 11-13, etc. in the experimental device are all made of acrylic plates.
Further, as shown in fig. 8, the explosion simulation device 7 is disposed on the simulated coal seam 2 in the mine, and includes a gas-filled component, dust, and an open fire component, the dust is disposed in a dust box, a gas output end of the gas-filled component is connected to the dust box, and the open fire component is disposed at a first distance from the dust box to simulate an explosion occurring in the mine. In the embodiment, the air-entrapping component is specifically an air cylinder 7-1, the dust is specifically flour, the open flame component is specifically a candle 7-3, and the length of the candle 7-3 is preferably 5 cm. Wherein the length of the first distance is in the range of 5-10cm, as an option, in particular 8 cm.
Further, the explosion simulation device 7 further comprises a guide pipe 7-5, the gas inlet end of the guide pipe 7-5 is connected with the gas-filling component, and the gas outlet end of the guide pipe 7-5 is connected with the dust box. Specifically, the candle 7-3 is ignited, flour is placed on an iron plate, the candle 7-3 is dried for 40s by open fire, the dried flour is placed in a dust box, an air cylinder 7-1 is pushed, air pressure generated by the air cylinder 7-1 presses the flour to the candle 7-3 through a guide pipe 7-5, the flour explodes when meeting the open fire, and the explosion simulation device 7 simulates the mine explosion to finish the process.
Further, the explosion simulation device 7 further comprises a testing component, and a testing component is arranged at a second distance from the radius of the dust box and used for testing whether the simulation explosion device successfully simulates the mine explosion. Wherein the length of the second distance ranges from 5 to 10cm, as an option, in particular 7 cm. The test part is specifically a plastic cover 7-4, when the explosion shock wave simulated by the explosion simulator 7 can successfully burst the plastic cover 7-4, the explosion simulator 7 successfully simulates mine explosion, including dust explosion, gas explosion and the like.
Furthermore, the experimental device also comprises a hydraulic support 4, wherein the hydraulic support 4 is arranged on the mining surface of the simulated coal bed 2 and is used for supporting the simulated coal bed 2 or rock stratum, a proper operation space is reserved for mining coal, and the hydraulic support 4 correspondingly moves along with the mining of the coal or the tunneling of a roadway.
Furthermore, the experimental device also comprises a goaf 5, wherein the goaf 5 is a cavity area left after the coal seam 2 or coal gangue is mined, and the goaf 5 has high float coal content and is easy to cause accidents such as coal dust explosion and spontaneous combustion of coal. The arrangement of the goaf 5 in the experimental device can further restore the real coal mining situation, and can better learn and research the related knowledge of the mine.
Further, this experimental apparatus has still set up ground industry square 1, communicates with the main shaft of mine for the transportation coal. The industrial square on the bottom surface also comprises an administrative office area which plays an important guiding role in connecting the inside and the outside of the mine.
This experimental apparatus simulates the explosion shock wave that the mine explosion produced through explosion analogue means, and this explosion shock wave reaches anti-wind analogue means through first tunnel and accomplishes the pressure release, and further, inside anti-wind analogue means introduced the mine with external fresh air current when the mine explosion, accomplished the anti-wind, prevented the further spread of the back fire behavior of explosion. And the counter-wind simulation device is connected with the air inlet mountain through the first roadway, so that sewage in the mine can be discharged. The explosion-proof simulation device in the experimental device forms a high-concentration rock powder area in a mine through the borax shed, further propagation of flame is restrained, generation of shock waves is prevented, the explosion range is controlled, and a water curtain component in the explosion-proof device can extinguish partial flame, so that propagation of flame is further restrained. The utility model discloses a true condition in whole experimental apparatus reduction mine that can be true to can simulate complete mine explosion, anti-wind and the flame proof condition, strengthen the understanding to the mine, further promoted the research of explosion-proof, flame proof and anti-wind of mine.
The above detailed description is the detailed description of the present invention, and it can not be considered that the detailed description of the present invention is limited to these descriptions, and to the ordinary skilled person in the art to which the present invention belongs, without departing from the concept of the present invention, a plurality of simple deductions and replacements can be made, which should be regarded as belonging to the protection scope of the present invention.
Claims (10)
1. An experimental device for simulating mine explosion, explosion suppression and wind back is characterized in that: the experimental device comprises a first experimental template and a second experimental template, wherein an explosion simulation device, a simulated coal bed, at least one explosion-proof simulation device and a first tunnel are arranged on the first experimental template, a counter-wind simulation device is arranged on the second experimental template, the counter-wind simulation device comprises an air return shaft, and the first tunnel in the first experimental template is communicated with the air return shaft of the second experimental template;
the explosion simulation device is arranged on the simulated coal seam mining surface and comprises an air-entrapping component, dust and an open fire component, the dust is arranged in the dust box, the gas output end of the air-entrapping component is connected to the dust box, and the open fire component is arranged at a first distance of the dust box;
the explosion-proof simulation device is distributed in the first roadway and comprises a water curtain part and a borax shed, the water curtain part comprises a lamp strip and a first support, the lamp strip is arranged on the first support, the borax shed comprises a borax bag filled with rock powder and a second support, and the borax bag is fixed on the second support;
the counter-wind simulation device comprises a return air shaft, a counter-wind bypass and a fan room, wherein the fan room is arranged on the counter-wind bypass, and the return air shaft is communicated with the counter-wind bypass.
2. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: the water curtain component further comprises a baffle and a connecting piece, and the connecting piece is fixedly connected with the baffle and the first support.
3. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: the anti-wind simulation device further comprises a first air door, a second air door, a third air door and a fourth air door, the anti-wind bypass is communicated with the first roadway through a return air shaft, the anti-wind bypass is in a shape like a Chinese character kou, and the first air door, the second air door, the fan room, the fourth air door and the third air door are sequentially arranged on the anti-wind bypass.
4. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 3, characterized in that: the fan room comprises a power device and a fan.
5. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 4, characterized in that: the power device comprises a motor.
6. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 3, characterized in that: the anti-wind bypass is provided with a plurality of openings, the air door is a drawable part, and the openings are matched with the drawable part.
7. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: and an explosion-proof well cover is arranged on the return air shaft.
8. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: the explosion simulation device further comprises a guide pipe, the gas inlet end of the guide pipe is connected with the gas-filling component, and the gas outlet end of the guide pipe is connected with the dust box.
9. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: the experimental device further comprises an air inlet upward-going peak, the first roadway comprises a second roadway and an air return upward-going peak, one end of the air inlet upward-going peak is communicated with the air inlet shaft, the other end of the air inlet upward-going peak is communicated with the air return upward-going peak through the second roadway, and the air return upward-going peak is communicated with the air return shaft.
10. The experimental device for simulating mine explosion, explosion suppression and wind back according to claim 1, characterized in that: the experimental device further comprises a hydraulic support, and the hydraulic support is arranged on the simulated coal seam mining face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405970.4U CN210804833U (en) | 2019-08-27 | 2019-08-27 | Experimental device for simulating mine explosion, explosion suppression and back wind |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921405970.4U CN210804833U (en) | 2019-08-27 | 2019-08-27 | Experimental device for simulating mine explosion, explosion suppression and back wind |
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| CN210804833U true CN210804833U (en) | 2020-06-19 |
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| CN201921405970.4U Expired - Fee Related CN210804833U (en) | 2019-08-27 | 2019-08-27 | Experimental device for simulating mine explosion, explosion suppression and back wind |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257105A (en) * | 2021-05-24 | 2021-08-13 | 华北科技学院(中国煤矿安全技术培训中心) | Intelligent experiment demonstration device capable of accurately simulating gas explosion |
| CN116181394A (en) * | 2023-02-17 | 2023-05-30 | 通用技术集团工程设计有限公司 | Rapid reverse wind automatic device for underground mining area |
-
2019
- 2019-08-27 CN CN201921405970.4U patent/CN210804833U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257105A (en) * | 2021-05-24 | 2021-08-13 | 华北科技学院(中国煤矿安全技术培训中心) | Intelligent experiment demonstration device capable of accurately simulating gas explosion |
| CN116181394A (en) * | 2023-02-17 | 2023-05-30 | 通用技术集团工程设计有限公司 | Rapid reverse wind automatic device for underground mining area |
| CN116181394B (en) * | 2023-02-17 | 2023-07-28 | 通用技术集团工程设计有限公司 | Rapid reverse wind automatic device for underground mining area |
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